Facile Synthesis of Activated Carbon from Swamp Taro Stalk via Single Step ZnCl₂ Activation

Abstract:

In this work, mesoporous activated carbon with high surface area was synthesized from swamp taro stalk by single step ZnCl₂ activation. The synthesized activated carbon was characterized by Na₂S₂O₃ volumetric method, Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscope (SEM) and N₂ adsorption-desorption analyses. Under the single step ZnCl₂ activation, the registered iodine number, BET surface area, total pore volume and pore diameter were 1087.57 mgg^-1, 1242.26 m²g^-1, 0.73cm³g^-1 and 3.72 nm respectively with yield of 25.34%. SEM analysis evidenced the well-formation of porous structure. Type IV isotherm with H2 loops obtained from N₂-sorption studies indicates the ink bottles shape mesoporous network structure. This research proved the successful conversion of plant waste into high grade activated carbon.

• Periodical: Materials Science Forum (Volume 857)
• Pages: 475-479
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.857.475
• Online since: May 2016
• Authors: Muhammad Safwat Bin Mohammed Yahya*, Jeyashelly Andas, Ghani Zaidi Ab
• Keywords: Activated Carbon, Chemical Activation, Single Step, Stalk, Swamp Taro

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